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DBMS > DataFS vs. Firebird vs. Realm vs. TerminusDB

System Properties Comparison DataFS vs. Firebird vs. Realm vs. TerminusDB

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Editorial information provided by DB-Engines
NameDataFS  Xexclude from comparisonFirebird  Xexclude from comparisonRealm  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionAll data is stored inside objects which are linked by so-called link attributes. Objects consist of classes which can be extended and de-extended at runtime. Graphs can be defined with a struct.Firebird is an open source RDBMS forked from Borland's InterBaseA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelObject oriented DBMSRelational DBMSDocument storeGraph DBMS
Secondary database modelsGraph DBMSDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.06
Rank#354  Overall
#15  Object oriented DBMS
Score20.82
Rank#30  Overall
#18  Relational DBMS
Score7.60
Rank#52  Overall
#9  Document stores
Score0.17
Rank#325  Overall
#29  Graph DBMS
Websitenewdatabase.comwww.firebirdsql.orgrealm.ioterminusdb.com
Technical documentationdev.mobiland.com/­Overview.xspwww.firebirdsql.org/­en/­reference-manualsrealm.io/­docsterminusdb.github.io/­terminusdb/­#
DeveloperMobiland AGFirebird FoundationRealm, acquired by MongoDB in May 2019DataChemist Ltd.
Initial release20182000 infoAs fork of Borland's InterBase20142018
Current release1.1.263, October 20225.0.0, January 202411.0.0, January 2023
License infoCommercial or Open SourcecommercialOpen Source infoInitial Developer's Public LicenseOpen SourceOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and C++Prolog, Rust
Server operating systemsWindowsAIX
FreeBSD
HP-UX
Linux
OS X
server-less infoFirebird Embedded Server
Solaris
Unix
Windows
Android
Backend: server-less
iOS
Windows
Linux
Data schemeClasses, Structs, and Lists are written in proprietary DataTypeDefinitionLanguage (.dtdl) and Objects consisting of those are written in proprietary DataAccessDefinitionLanguage (.dadl)yesyesyes
Typing infopredefined data types such as float or dateyesyesyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nonono
Secondary indexesnoyesyes
SQL infoSupport of SQLnoyesnoSQL-like query language (WOQL)
APIs and other access methods.NET Client API
Proprietary client DLL
WinRT client
ADO.NET
C/C++ API
JDBC infoJaybird
ODBC
OLE DB
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languages.Net
C
C#
C++
VB.Net
C
C#
C++
Delphi
Java
JavaScript infoNode.js
Lua
Perl
PHP
Python
Ruby
.Net
Java infowith Android only
Objective-C
React Native
Swift
JavaScript
Python
Server-side scripts infoStored proceduresPSQLno inforuns within the applications so server-side scripts are unnecessaryyes
Triggersno, except callback-events from server when changes happenedyesyes infoChange Listenersyes
Partitioning methods infoMethods for storing different data on different nodesProprietary Sharding systemnonenoneGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationnoneJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoFeatures a multi-generational MVCC architecture, readers do not block writersyes
Durability infoSupport for making data persistentyesyesyesyes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoIn-Memory realm
User concepts infoAccess controlWindows-ProfileUsers with fine-grained authorization conceptyesRole-based access control

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DataFSFirebirdRealmTerminusDB infoformer name was DataChemist
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